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  1. Seamus

    2013 Tahoe..Preventive vs Reactive

    My brother just sent me an email asking the same thing...he is at 105K...: My detailed response: Differential fluid is very 30-50K depending on use. Amsoil sever gear fluid only. Order online-- you need 2.5 quarts buy 3. Transmission is 50K for sever use (Florida is considered sever due to...
  2. Seamus

    2012 Tahoe-Lights get brighter and dimmer

    My 2013 does this also. 100% stock, in near perfect stock condition. Original alternator. I had already checked all my grounds and they are perfect. This truck spent its entire life in Florida and has no corrosion at all. I notice it when the AC compressor kicks on or the fans. There have been...
  3. Seamus

    Doors locked---Truck running?? How did this happen???

    I agree, she's always guilty of some chaos! LOL But when I did it today, the drivers door pops. ??
  4. Seamus

    Doors locked---Truck running?? How did this happen???

    Thanks Guys! I'll have to see if the auto lock is set? Yes, you can lock the doors with the key in and or running but only if the doors are closed, I do this also when waiting on my wife. But if the door is open and you hit the lock button with it running it automatically opens the driver door...
  5. Seamus

    Doors locked---Truck running?? How did this happen???

    Hey guys, need your input and expertise as to how NOT to do this again. I have a 2013 Suburban LTZ. This is exactly how it transpired. I drove my aging mom to the Dr. I stop the truck, put it in park to let her out by the door. When you put it in park all the doors open. I open the rear hatch...
  6. Seamus

    2013 Yukon..Strange screaming noise/smoke from passenger side of engine bay

    As several have said, it really seems to be the AC compressor. The location of the smoke comes from that exact spot too. I have a 2013 and it is a stretch belt. I used a brand new razor and it sliced right off. It is behind the serp belt. Gates makes the tool for about 7 dollars to install and...
  7. Seamus

    Looking To Upgrade

    LOL That will be a hard lesson learned!
  8. Seamus

    Looking To Upgrade

    What exactly is your point on what the truck cost? It was bought in 2017 below sticker, no incentives as in today? Yes I KNOW they have huge issues. I had them. I have been a GM truck owner for 30 years, and this last generation is a disaster. The 2015 Denali was in warranty over 14 times...
  9. Seamus

    Looking To Upgrade

    Really do your research, not just here. They have issues. Not small ones either. (radiator, ac condenser, Torque converter, transmission, vibrations, booming in cabin) Really unacceptable stuff for a new vehicle! These trucks were over 70K ! I have owned 4 of the new trucks and had many issues...
  10. Seamus

    Any1 keep their ride as a spare vehicle?

    Our 2013 suburban is a second vehicle to myself or the wife as we both have other primary vehicles. We had a 2017 Denali XL and hated the new platform. Also the value wasn't there. I traded into a S550 and wife stayed in here VW Jetta. Within 6 months we realized we really needed a truck for...
  11. Seamus

    Terrible fuel mileage

    These rigs are heavy. It doesn't take much to affect the mileage in a negative way. When I first bought my 2013 Suburban it was mechanically pretty well taken care of but was due for a lot of service due to mileage. It had 94K. I did a lot in the first month and gained about 2 mpg. I couldn't...
  12. Seamus

    Water gurgling noise under passenger side dash

    I would check your drain hose from the AC evaporator. As stated above check the passenger floor. Also are you using the heat? Could be in the heater core. If its gurgling I'd check coolant level. It could be gelled up also. Meaning clogging and fluid is having hard time getting through the core.
  13. Seamus

    Debating

    I can tell you from experience, I would NOT do it. I have been a GM guy my whole life. I learned a very expensive lesson, that newer is not always better. Money was not the issue but in hindsight it is all wasted money for me. I had bought a new 2007 GMC 5.3 4 speed. Best truck I owned. Sold it...
  14. Seamus

    07’ 2500 6.0 differential and transfer case oil

    Amsoil is the best.
  15. Seamus

    Belts and pulleys/tensioner

    Its very easy. I just bought a 2013 Suburban LTZ w/ 94K. I just did the tensioners, pulley, and the belts. The AC belt is easy but takes a little effort. There are several videos on youtube regarding. Some guys show how you can use zip ties, and others with the special tool. I bought the tool...
  16. Seamus

    2012 through 2014 Yukon Denalis.

    While I agree, many issues with these motors are from poor maintenance or none at all, the second is poor oil quality as in cheap oil. I run Mobil 1 in all my cars. I also do oil analysis on each vehicle. Some cars beat up the oil worse than others. But on my Gm LS motors 5000 miles is my target...
  17. Seamus

    My big girl saved my life

    Glad your OK. Thanks for posting. She did well! This is why we drive them, and put up with the fuel mileage. At the end of the day, you don't get to pick your accident...but you do get to pick what you will be in when it happens!! You will be sore this week, take it easy and check in with your...
  18. Seamus

    2010 Escalade Or Keep My 2015 Tahoe LTZ

    Downgrade? I have had 4 trucks in the new generation that last being a 2017 Yukon XL Denali that I bought brand new. The new trucks suck. Quality is terrible, and I have had issues with everyone of them. I am a maintenance freak and really take care of my vehicles. I could go on and on with a...
  19. Seamus

    Michelin Defender Ltx

    I just put on my 3rd set of Michelin Defenders and they are the go to tire for anyone with a tire issue. No road noise as you describe, great tire and great in the rain. It is one of the top rated tires period. Bridgestone and Goodyear were nightmares till I switched to Michelins defenders...
  20. Seamus

    Upgrades for better towing

    I recently came out of a 2017 Denali which was a towing dream. That 6.2 w/ the 8 speed was one of the best towing rigs I have had in the under 7000 lb category. I hated the truck for several other reasons and actually was pretty happy coming back to a 2013 Suburban 5.3 w/ heavy duty tow 3.42...
  21. Seamus

    Allharexusa Tahoe headlights

    That is a ridiculous price for headlights especially on an older vehicle with a lower value. Install these on your truck and try to get that investment back when selling? It has 1000 dollar headlights! Wont add one penny to your return. We all like quality and nice stuff, but this is literally...
  22. Seamus

    Ordering a new key fob

    Oh it matters. But the older ones with less buttons are easier and share less Fcc codes. I have a 6 button and code FCC OUC60221....once of the least available codes. They are out there and on eBay for 20-30 dollars but they take a techII tool and cant get the new style fob only an old replacement.
  23. Seamus

    Ordering a new key fob

    There are some models that are NOT compatible. I went to order the boostautopart fob today. I didn't see a listing for the suburban after 2011? Although they had it for the Yukon and escalade?? You also need a certain option code. I had the code? So I called and emailed them. Turns out the 2013...
  24. Seamus

    Black bear tune anyone increase MPG???

    I'll give it try, Thanks
  25. Seamus

    Black bear tune anyone increase MPG???

    Well today the weather is pretty good and no wind. There has been a lot of wind lately with the recent storms. Driving 74-80 mph with an easy acceleration I got 19.6 mpg on the turnpike over an 82 mile span. Got off did a little city driving and then drove home same route a little more traffic...

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